Passive infrared sensor unit



FIG. 1 shows a perspective view of a passive infrared sensor unit.

FIG. 2 shows a front view of the passive infrared sensor unit of FIG. 1.

FIG. 3 shows a rear view of the passive infrared sensor unit of FIG. 1.

FIG. 4 shows a right side view of the passive infrared sensor unit of FIG. 1.

FIG. 5 shows a left side view of the passive infrared sensor unit of FIG. 1.

FIG. 6 shows a downward view looking at a top of the passive infrared sensor unit of FIG. 1; and,

FIG. 7 shows an upward view looking at a bottom of the passive infrared sensor unit of FIG. 1.

The dash-dot broken lines show portions of a passive infrared sensor unit that form no part of the claimed design. 

CLAIM The ornamental design of a passive infrared sensor unit, as shown and described. 